/* bzflag
 * Copyright (c) 1993-2020 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* interface header */
#include "ShotPathSegment.h"


ShotPathSegment::ShotPathSegment(): reason(), bbox()
{
    // do nothing
}

ShotPathSegment::ShotPathSegment(const TimeKeeper& _start,
                                 const TimeKeeper& _end, const Ray& _ray,
                                 Reason _reason) :
    start(_start),
    end(_end),
    ray(_ray),
    reason(_reason)
{
    // compute bounding box
    ray.getPoint(0.0f, bbox[0]);
    ray.getPoint(float(end - start), bbox[1]);
    if (bbox[0][0] > bbox[1][0])
    {
        const float tmp = bbox[0][0];
        bbox[0][0] = bbox[1][0];
        bbox[1][0] = tmp;
    }
    if (bbox[0][1] > bbox[1][1])
    {
        const float tmp = bbox[0][1];
        bbox[0][1] = bbox[1][1];
        bbox[1][1] = tmp;
    }
    if (bbox[0][2] > bbox[1][2])
    {
        const float tmp = bbox[0][2];
        bbox[0][2] = bbox[1][2];
        bbox[1][2] = tmp;
    }
}

ShotPathSegment::ShotPathSegment(const ShotPathSegment& segment) :
    start(segment.start),
    end(segment.end),
    ray(segment.ray),
    reason(segment.reason)
{
    // copy bounding box
    bbox[0][0] = segment.bbox[0][0];
    bbox[0][1] = segment.bbox[0][1];
    bbox[0][2] = segment.bbox[0][2];
    bbox[1][0] = segment.bbox[1][0];
    bbox[1][1] = segment.bbox[1][1];
    bbox[1][2] = segment.bbox[1][2];
}

ShotPathSegment::~ShotPathSegment()
{
    // do nothing
}

ShotPathSegment&    ShotPathSegment::operator=(const
        ShotPathSegment& segment)
{
    if (this != &segment)
    {
        start = segment.start;
        end = segment.end;
        ray = segment.ray;
        reason = segment.reason;
        bbox[0][0] = segment.bbox[0][0];
        bbox[0][1] = segment.bbox[0][1];
        bbox[0][2] = segment.bbox[0][2];
        bbox[1][0] = segment.bbox[1][0];
        bbox[1][1] = segment.bbox[1][1];
        bbox[1][2] = segment.bbox[1][2];
    }
    return *this;
}


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